Merge mskold@bk-internal.mysql.com:/home/bk/mysql-5.0

into mysql.com:/usr/local/home/marty/MySQL/mysql-5.0

sql/ha_ndbcluster.cc

@@ -6101,24 +6101,26 @@ const
 COND* 
 ha_ndbcluster::cond_push(const COND *cond) 
 { 
-  Ndb_cond_stack *ndb_cond = new Ndb_cond_stack();
   DBUG_ENTER("cond_push");
-  DBUG_EXECUTE("where",print_where((COND *)cond, m_tabname););
-  if (m_cond_stack)
-    ndb_cond->next= m_cond_stack;
-  else
-    ndb_cond->next= NULL;
-  m_cond_stack= ndb_cond;
-  
-  if (serialize_cond(cond, ndb_cond))
+  if (cond)
   {
+    Ndb_cond_stack *ndb_cond = new Ndb_cond_stack();
+    DBUG_EXECUTE("where",print_where((COND *)cond, m_tabname););
+    if (m_cond_stack)
+    ndb_cond->next= m_cond_stack;
+    else
+      ndb_cond->next= NULL;
+    m_cond_stack= ndb_cond;
+    
+    if (serialize_cond(cond, ndb_cond))
+    {
     DBUG_RETURN(NULL);
+    }
+    else
+    {
+      cond_pop();
+    }
   }
-  else
-  {
-    cond_pop();
-  }
-
   DBUG_RETURN(cond); 
 }
 

sql/sql_select.cc

@@ -5403,10 +5403,12 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
           tab->select_cond=sel->cond=tmp;
 	  if (thd->variables.engine_condition_pushdown)
           {
+            COND *push_cond= 
+              make_cond_for_table(cond,current_map,current_map);
             tab->table->file->pushed_cond= NULL;
 	    /* Push condition to handler */
-            if (!tab->table->file->cond_push(tmp))
-              tab->table->file->pushed_cond= tmp;
+            if (!tab->table->file->cond_push(push_cond))
+              tab->table->file->pushed_cond= push_cond;
           }
         }
         else
@@ -5530,13 +5532,6 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
 		thd->memdup((gptr) sel, sizeof(SQL_SELECT));
 	      tab->cache.select->cond=tmp;
 	      tab->cache.select->read_tables=join->const_table_map;
-	      if (thd->variables.engine_condition_pushdown &&
-		  (!tab->table->file->pushed_cond))
-              {
-		/* Push condition to handler */
-		if (!tab->table->file->cond_push(tmp))
-                  tab->table->file->pushed_cond= tmp;
-              }
 	    }
 	  }
 	}